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Anterior arch of the atlas

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Title: Anterior arch of the atlas  
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Subject: Longus colli muscle, Arch of the atlas, Retropharyngeal lymph nodes
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Anterior arch of the atlas

Anterior arch of the atlas
First cervical vertebra, or atlas (anterior arch visible at top)
Latin Arcus anterior atlantis

The anterior arch of the atlas forms about one-fifth of the ring of the atlas: its anterior surface is convex, and presents at its center the anterior tubercle for the attachment of the longus colli muscles; posteriorly it is concave, and marked by a smooth, oval or circular facet (fovea dentis), for articulation with the odontoid process (dens) of the axis.

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This article incorporates text from a public domain edition of Gray's Anatomy.

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